Código do botão do curtir do facebook:

<div id="fb-root"></div><script src="http://connect.facebook.net/pt_BR/all.js#appId=169279313141006&amp;xfbml=1"></script>
<script language="JavaScript" type="text/javascript">
var endereco=(location.href)
document.write('<fb:like href="'+endereco+'" send="false" layout="box_count"style="float:right;" width="80" show_faces="false" font=""></fb:like>');
</script>